This is the 12036th most frequent Swedish word.
rekommenderat
"Rekommenderat" means "recommended" in English.
In this sentence, 'rekommenderat' is used as an adjective to describe the type of mailing service employed, implying it is registered or certified.
Jag skickade brevet som rekommenderat för att säkerställa dess ankomst.
I sent the letter as registered to ensure its arrival.
Here, 'rekommenderade' is the past tense of a verb meaning 'recommended', and it expresses suggesting something as beneficial.
Läraren rekommenderade en bok som var väldigt informativ.
The teacher recommended a book that was very informative.
In this instance, 'rekommenderat' is used as a past participle functioning as an adjective, indicating a general advice or suggestion.